1 & 2 bedroom apartment homes in Federal Way, Texas. Your next apartment home is waiting for you at Mariposa. Situated in the breathtaking coastal town of Federal Way, WA, you will have access to the best retailers, dining, and entertainment options around. Just a short distance from Interstate 5 will make for a quick and easy drive to the Seattle Metropolitan area. Get ready for fun and excitement in Federal Way, Washington, at the Mariposa apartment community!